Opinion: The War in Ukraine Changed the World in Ways We’re Only Starting to Comprehend
By Michael Kimmage, Guest Essay, The New York Times , March 27, 2026 Mr. Kimmage, a historian of the Cold War, is an expert on U.S.-Russian relations. Credit... Iva Sidash When Russia invaded Ukraine in 2022, President Vladimir Putin changed the world in ways we’re only beginning to comprehend. Russia’s initial push toward Kyiv faltered, the fragile post-Cold War consensus held, and the response was vigorous. This was a violation of international norms that would not be tolerated. Europe and the United States levied sanctions on Russia, provided military aid to Ukraine, and President Joe Biden told a crowd in Warsaw that Mr. Putin could not “remain in power.” The Russian regime, it seemed, had fatally overstepped. And yet the support to Ukraine that followed was always circumscribed; enough for Ukraine not to lose, but not enough for it to win. And the war, rather than restoring strength to the international order and the allian...